X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.export.core%2Fsrc%2Forg%2Fsimantics%2Fexport%2Fcore%2Fmanager%2FContent.java;h=8a1fc5ec1c41517f179838907d4b9729e73da4c9;hb=e70869fe486232e2a089dea816f6986caf9dd8d5;hp=55baf5bd388182d20b44dab3e6c4e6a8c3461a99;hpb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.export.core/src/org/simantics/export/core/manager/Content.java b/bundles/org.simantics.export.core/src/org/simantics/export/core/manager/Content.java
index 55baf5bd3..8a1fc5ec1 100644
--- a/bundles/org.simantics.export.core/src/org/simantics/export/core/manager/Content.java
+++ b/bundles/org.simantics.export.core/src/org/simantics/export/core/manager/Content.java
@@ -50,6 +50,10 @@ public class Content {
 	
 	@Override
 	public boolean equals(Object o) {
+		if (o == null)
+			return false;
+		if (o.getClass() != getClass())
+			return false;
 		Content other = (Content) o;
 		if ( !other.formatId.equals(formatId) ) return false;
 		if ( !other.url.equals(url) ) return false;